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math.AG2017
Stratifying quotient stacks and moduli stacks
Gergely Bérczi, Victoria Hoskins, Frances Kirwan
Recent results in geometric invariant theory (GIT) for non-reductive linear algebraic group actions allow us to stratify quotient stacks of the form [X/H], where X is a projective…
math.AG2017★ 1 cited
Graded linearisations
Gergely Bérczi, Brent Doran, Frances Kirwan
When the action of a reductive group on a projective variety has a suitable linearisation, Mumford's geometric invariant theory (GIT) can be used to construct and study an associat…